{smcl} {com}{sf}{ul off}{txt}{.-} log: {res}c:\guido\match\program_06july\lalonde_nonexper_06july25.smcl {txt}log type: {res}smcl {txt}opened on: {res}24 Jul 2006, 19:26:30 {txt} {com}. . infile t age educ black hisp married re74 re75 re78 reo74 reo75 using c:\data\lalonde\nonexper\nswpsid.dat {txt}(2675 observations read) {com}. . logit t age educ black hisp married re74 re75 reo74 reo75 {txt}Iteration 0: log likelihood = {res}-672.64954 {txt}Iteration 1: log likelihood = {res}-560.50324 {txt}Iteration 2: log likelihood = {res}-341.98485 {txt}Iteration 3: log likelihood = {res}-244.15057 {txt}Iteration 4: log likelihood = {res}-219.79553 {txt}Iteration 5: log likelihood = {res}-211.25944 {txt}Iteration 6: log likelihood = {res}-209.49855 {txt}Iteration 7: log likelihood = {res}-209.38986 {txt}Iteration 8: log likelihood = {res}-209.38931 {txt}Logistic regression Number of obs = {res} 2675 {txt}LR chi2({res}9{txt}) = {res} 926.52 {txt}Prob > chi2 = {res} 0.0000 {txt}Log likelihood = {res}-209.38931 {txt}Pseudo R2 = {res} 0.6887 {txt}{hline 13}{c TT}{hline 64} t {c |} Coef. Std. Err. z P>|z| [95% Conf. Interval] {hline 13}{c +}{hline 64} age {c |} {res}-.1109206 .0177106 -6.26 0.000 -.1456326 -.0762085 {txt}educ {c |} {res}-.1008807 .0561131 -1.80 0.072 -.2108604 .0090991 {txt}black {c |} {res} 2.650097 .3605654 7.35 0.000 1.943402 3.356792 {txt}hisp {c |} {res} 2.247747 .5908943 3.80 0.000 1.089615 3.405878 {txt}married {c |} {res}-1.560628 .28179 -5.54 0.000 -2.112926 -1.008329 {txt}re74 {c |} {res} .0000202 .0000313 0.64 0.519 -.0000412 .0000816 {txt}re75 {c |} {res}-.0002743 .0000477 -5.75 0.000 -.0003678 -.0001808 {txt}reo74 {c |} {res}-1.371405 .4545768 -3.02 0.003 -2.262359 -.4804507 {txt}reo75 {c |} {res} 3.272456 .4887569 6.70 0.000 2.31451 4.230402 {txt}_cons {c |} {res} 1.794543 .979257 1.83 0.067 -.1247656 3.713851 {txt}{hline 13}{c BT}{hline 64} note: 78 failures and 0 successes completely determined. {com}. . predict pscore {txt}(option p assumed; Pr(t)) {com}. . bysort t: summ pscore {txt}{hline} -> t = 0 Variable {c |} Obs Mean Std. Dev. Min Max {hline 13}{c +}{hline 56} pscore {c |}{res} 2490 .0236426 .0907847 8.86e-21 .9870696 {txt}{hline} -> t = 1 Variable {c |} Obs Mean Std. Dev. Min Max {hline 13}{c +}{hline 56} pscore {c |}{res} 185 .681783 .2979215 .0002061 .9889598 {txt} {com}. . . nnmatch re78 t age educ black hisp married re74 re75 reo74 reo75, tc(att) {txt}Matching estimator: Average Treatment Effect for the Treated Weighting matrix: inverse variance {col 45}Number of obs {col 68}={res} 2675 {txt} {col 45}Number of matches (m) = {res} 1 {txt}{hline 13}{c TT}{hline 64} re78 {c |} Coef. Std. Err. z P>|z| [95% Conf. Interval] {hline 13}{c +}{hline 64} SATT {c |} {res} 2073.48 1673.616 1.24 0.215 -1206.748 5353.707 {txt}{hline 13}{c BT}{hline 64} {p 0 8 4}Matching variables: age educ black hisp married re74 re75 reo74 reo75{p_end} {com}. . nnmatch re78 t age educ black hisp married re74 re75 reo74 reo75, tc(att) m(4) exact(reo75) bias(bias) rob(4) keep(lalonde_temp1) replace {txt}(note: file lalonde_temp1.dta not found) file lalonde_temp1.dta saved Matching estimator: Average Treatment Effect for the Treated Weighting matrix: inverse variance {col 45}Number of obs {col 68}={res} 2675 {txt} {col 45}Number of matches (m) = {res} 4 {txt}{col 45}Number of matches, {col 47}robust std. err. (h) = {res} 4 {txt}{hline 13}{c TT}{hline 64} re78 {c |} Coef. Std. Err. z P>|z| [95% Conf. Interval] {hline 13}{c +}{hline 64} SATT {c |} {res} 2484.237 903.4737 2.75 0.006 713.461 4255.013 {txt}{hline 13}{c BT}{hline 64} {p 0 8 4}Matching variables: age educ black hisp married re74 re75 reo74 reo75{p_end} {p 0 8 4}Bias-adj variables: age educ black hisp married re74 re75 reo74 reo75{p_end} {p 0 8 4}Exact matching variables: reo75{p_end} {p 3 8 4}(Percent of exact matches: {res}100{txt}) {com}. . nnmatch re78 t age educ black hisp married re74 re75 reo74 reo75, tc(att) m(4) exact(pscore) bias(bias) rob(4) keep(lalonde_temp2) replace {txt}file lalonde_temp2.dta saved Matching estimator: Average Treatment Effect for the Treated Weighting matrix: inverse variance {col 45}Number of obs {col 68}={res} 2675 {txt} {col 45}Number of matches (m) = {res} 4 {txt}{col 45}Number of matches, {col 47}robust std. err. (h) = {res} 4 {txt}{hline 13}{c TT}{hline 64} re78 {c |} Coef. Std. Err. z P>|z| [95% Conf. Interval] {hline 13}{c +}{hline 64} SATT {c |} {res} 2242.02 978.5355 2.29 0.022 324.1257 4159.914 {txt}{hline 13}{c BT}{hline 64} {p 0 8 4}Matching variables: age educ black hisp married re74 re75 reo74 reo75{p_end} {p 0 8 4}Bias-adj variables: age educ black hisp married re74 re75 reo74 reo75{p_end} {p 0 8 4}Exact matching variables: pscore{p_end} {p 3 8 4}(Percent of exact matches: {res}1.6883116{txt}) {com}. . . bysort t: summ {txt}{hline} -> t = 0 Variable {c |} Obs Mean Std. Dev. Min Max {hline 13}{c +}{hline 56} t {c |}{res} 2490 0 0 0 0 {txt}age {c |}{res} 2490 34.8506 10.44076 18 55 {txt}educ {c |}{res} 2490 12.11687 3.082435 0 17 {txt}black {c |}{res} 2490 .2506024 .433447 0 1 {txt}hisp {c |}{res} 2490 .0325301 .1774389 0 1 {txt}{hline 13}{c +}{hline 56} married {c |}{res} 2490 .8662651 .3404357 0 1 {txt}re74 {c |}{res} 2490 19428.75 13406.88 0 137149 {txt}re75 {c |}{res} 2490 19063.34 13596.95 0 156653 {txt}re78 {c |}{res} 2490 21553.92 15555.35 0 121174 {txt}reo74 {c |}{res} 2490 .1 .3000603 0 1 {txt}{hline 13}{c +}{hline 56} reo75 {c |}{res} 2490 .0863454 .2809298 0 1 {txt}pscore {c |}{res} 2490 .0236426 .0907847 8.86e-21 .9870696 {txt}{hline} -> t = 1 Variable {c |} Obs Mean Std. Dev. Min Max {hline 13}{c +}{hline 56} t {c |}{res} 185 1 0 1 1 {txt}age {c |}{res} 185 25.81622 7.155019 17 48 {txt}educ {c |}{res} 185 10.34595 2.01065 4 16 {txt}black {c |}{res} 185 .8432432 .3645579 0 1 {txt}hisp {c |}{res} 185 .0594595 .2371244 0 1 {txt}{hline 13}{c +}{hline 56} married {c |}{res} 185 .1891892 .3927217 0 1 {txt}re74 {c |}{res} 185 2095.574 4886.623 0 35040.1 {txt}re75 {c |}{res} 185 1532.056 3219.251 0 25142.2 {txt}re78 {c |}{res} 185 6349.145 7867.405 0 60307.9 {txt}reo74 {c |}{res} 185 .6 .4912274 0 1 {txt}{hline 13}{c +}{hline 56} reo75 {c |}{res} 185 .7081081 .4558666 0 1 {txt}pscore {c |}{res} 185 .681783 .2979215 .0002061 .9889598 {txt} {com}. . . clear {txt} {com}. . use lalonde_temp1 {txt} {com}. . summ {txt} Variable {c |} Obs Mean Std. Dev. Min Max {hline 13}{c +}{hline 56} t {c |}{res} 762 1 0 1 1 {txt}re78 {c |}{res} 762 6419.726 7882.475 0 60307.9 {txt}age {c |}{res} 762 25.92388 7.157289 17 48 {txt}educ {c |}{res} 762 10.38451 2.007325 4 16 {txt}black {c |}{res} 762 .843832 .363253 0 1 {txt}{hline 13}{c +}{hline 56} hisp {c |}{res} 762 .0603675 .2383228 0 1 {txt}married {c |}{res} 762 .1863517 .389646 0 1 {txt}re74 {c |}{res} 762 2035.072 4818.496 0 35040.1 {txt}re75 {c |}{res} 762 1503.456 3187.082 0 25142.2 {txt}reo74 {c |}{res} 762 .6089239 .4883119 0 1 {txt}{hline 13}{c +}{hline 56} reo75 {c |}{res} 762 .7165354 .450976 0 1 {txt}id {c |}{res} 762 2583.836 53.6187 2491 2675 {txt}km {c |}{res} 762 0 0 0 0 {txt}index {c |}{res} 762 2070.454 485.5825 226 2490 {txt}dist {c |}{res} 762 1.432934 2.424281 0 18.47463 {txt}{hline 13}{c +}{hline 56} re78_0 {c |}{res} 762 4587.148 6785.044 0 33101.1 {txt}re78_1 {c |}{res} 762 6419.726 7882.475 0 60307.9 {txt}age_0m {c |}{res} 762 26.57612 7.646432 18 54 {txt}educ_0m {c |}{res} 762 10.95669 1.813068 3 17 {txt}black_0m {c |}{res} 762 .8057743 .3958633 0 1 {txt}{hline 13}{c +}{hline 56} hisp_0m {c |}{res} 762 .0603675 .2383228 0 1 {txt}married_0m {c |}{res} 762 .2139108 .4103339 0 1 {txt}re74_0m {c |}{res} 762 2158.217 4718.01 0 35266.8 {txt}re75_0m {c |}{res} 762 2445.069 4493.859 0 25601.6 {txt}reo74_0m {c |}{res} 762 .6128609 .4874158 0 1 {txt}{hline 13}{c +}{hline 56} reo75_0m {c |}{res} 762 .7165354 .450976 0 1 {txt}age_1m {c |}{res} 762 25.92388 7.157289 17 48 {txt}educ_1m {c |}{res} 762 10.38451 2.007325 4 16 {txt}black_1m {c |}{res} 762 .843832 .363253 0 1 {txt}hisp_1m {c |}{res} 762 .0603675 .2383228 0 1 {txt}{hline 13}{c +}{hline 56} married_1m {c |}{res} 762 .1863517 .389646 0 1 {txt}re74_1m {c |}{res} 762 2035.072 4818.496 0 35040.1 {txt}re75_1m {c |}{res} 762 1503.456 3187.082 0 25142.2 {txt}reo74_1m {c |}{res} 762 .6089239 .4883119 0 1 {txt}reo75_1m {c |}{res} 762 .7165354 .450976 0 1 {txt}{hline 13}{c +}{hline 56} reo75_0e {c |}{res} 762 .7165354 .450976 0 1 {txt}reo75_1e {c |}{res} 762 .7165354 .450976 0 1 {txt} {com}. . use lalonde_temp2 {txt} {com}. . summ {txt} Variable {c |} Obs Mean Std. Dev. Min Max {hline 13}{c +}{hline 56} t {c |}{res} 770 1 0 1 1 {txt}re78 {c |}{res} 770 6369.925 7836.169 0 60307.9 {txt}age {c |}{res} 770 25.78701 7.047034 17 48 {txt}educ {c |}{res} 770 10.36234 1.99932 4 16 {txt}black {c |}{res} 770 .8480519 .3592039 0 1 {txt}{hline 13}{c +}{hline 56} hisp {c |}{res} 770 .0571429 .2322663 0 1 {txt}married {c |}{res} 770 .1831169 .3870137 0 1 {txt}re74 {c |}{res} 770 2013.928 4797.812 0 35040.1 {txt}re75 {c |}{res} 770 1490.08 3163.206 0 25142.2 {txt}reo74 {c |}{res} 770 .6051948 .4891265 0 1 {txt}{hline 13}{c +}{hline 56} reo75 {c |}{res} 770 .7194805 .4495451 0 1 {txt}id {c |}{res} 770 2583.778 53.10885 2491 2675 {txt}km {c |}{res} 770 0 0 0 0 {txt}index {c |}{res} 770 2183.727 282.4924 227 2489 {txt}dist {c |}{res} 770 28.36001 38.94513 0 247.6413 {txt}{hline 13}{c +}{hline 56} re78_0 {c |}{res} 770 4697.659 7875.67 0 121174 {txt}re78_1 {c |}{res} 770 6369.925 7836.169 0 60307.9 {txt}age_0m {c |}{res} 770 24.18442 5.688239 18 54 {txt}educ_0m {c |}{res} 770 10.63506 1.968693 3 17 {txt}black_0m {c |}{res} 770 .9038961 .2949252 0 1 {txt}{hline 13}{c +}{hline 56} hisp_0m {c |}{res} 770 .0168831 .1289173 0 1 {txt}married_0m {c |}{res} 770 .138961 .3461307 0 1 {txt}re74_0m {c |}{res} 770 2715.227 5023.254 0 23511.2 {txt}re75_0m {c |}{res} 770 1906.91 3457.936 0 25422.6 {txt}reo74_0m {c |}{res} 770 .5584416 .4968956 0 1 {txt}{hline 13}{c +}{hline 56} reo75_0m {c |}{res} 770 .6337662 .4820876 0 1 {txt}age_1m {c |}{res} 770 25.78701 7.047034 17 48 {txt}educ_1m {c |}{res} 770 10.36234 1.99932 4 16 {txt}black_1m {c |}{res} 770 .8480519 .3592039 0 1 {txt}hisp_1m {c |}{res} 770 .0571429 .2322663 0 1 {txt}{hline 13}{c +}{hline 56} married_1m {c |}{res} 770 .1831169 .3870137 0 1 {txt}re74_1m {c |}{res} 770 2013.928 4797.812 0 35040.1 {txt}re75_1m {c |}{res} 770 1490.08 3163.206 0 25142.2 {txt}reo74_1m {c |}{res} 770 .6051948 .4891265 0 1 {txt}reo75_1m {c |}{res} 770 .7194805 .4495451 0 1 {txt}{hline 13}{c +}{hline 56} pscore_0e {c |}{res} 770 .6888207 .2961833 .0002591 .9870696 {txt}pscore_1e {c |}{res} 770 .6903152 .2957352 .0002061 .9889598 {txt}pscore {c |}{res} 770 .6903152 .2957352 .0002061 .9889598 {txt} {com}. . . log close {txt}log: {res}c:\guido\match\program_06july\lalonde_nonexper_06july25.smcl {txt}log type: {res}smcl {txt}closed on: {res}24 Jul 2006, 19:33:10 {txt}{.-} {smcl} {txt}{sf}{ul off}